🤑 Indie game store🙌 Free games😂 Fun games😨 Horror games
👷 Game development🎨 Assets📚 Comics
🎉 Sales🎁 Bundles

I've had this problem before. be sure that it's the most mainstream US version of the rom you can find. any other region or patched roms have given me grey screen. also your .3dn file has to be the same exact name as your rom iirc